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1c5b0eb66d
Building 2.6.27-rc1 on x86 with gcc-3.2.3 fails with:
In file included from include/asm/dma.h:12,
from include/linux/bootmem.h:8,
from init/main.c:26:
include/asm/io.h: In function `readb':
include/asm/io.h:32: syntax error before string constant
include/asm/io.h: In function `readw':
include/asm/io.h:33: syntax error before string constant
include/asm/io.h: In function `readl':
include/asm/io.h:34: syntax error before string constant
include/asm/io.h: In function `__readb':
include/asm/io.h:36: syntax error before string constant
include/asm/io.h: In function `__readw':
include/asm/io.h:37: syntax error before string constant
include/asm/io.h: In function `__readl':
include/asm/io.h:38: syntax error before string constant
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2
Starting with 2.6.27-rc1 readb() et al are generated by a
build_mmio_read() macro, which generates asm() statements with
output register constraints like "=" "q", i.e. as two adjacent
string literals. This doesn't work with gcc-3.2.3.
Fixed by moving the "=" part into the callers' reg parameter
(as suggested by Ingo).
Build and boot-tested with gcc-3.2.3 on 32 and 64-bit x86.
Fixes <http://bugzilla.kernel.org/show_bug.cgi?id=11205>.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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| .. | ||
| acpi | ||
| asm-alpha | ||
| asm-arm | ||
| asm-blackfin | ||
| asm-cris | ||
| asm-frv | ||
| asm-generic | ||
| asm-m32r | ||
| asm-m68k | ||
| asm-mips | ||
| asm-mn10300 | ||
| asm-parisc | ||
| asm-um | ||
| asm-x86 | ||
| asm-xtensa | ||
| crypto | ||
| drm | ||
| keys | ||
| linux | ||
| math-emu | ||
| media | ||
| mtd | ||
| net | ||
| pcmcia | ||
| rdma | ||
| rxrpc | ||
| scsi | ||
| sound | ||
| video | ||
| xen | ||
| Kbuild | ||